Issue

Teiid engine throws IndexOutOfBoundsException when VDB has several source models and tries to select some specific column.
OK: select * from tableA
NG: select columnB from tableA

Teiid engine logs following Exception

3:14:53,408 ERROR [org.teiid.PROCESSOR] (Worker1_QueryProcessorQueue1) TEIID30019 Unexpected exception for request PvVQgkC8YW31.0: java.lang.IndexOutOfBoundsException: Index: 22, Size: 22
at java.util.ArrayList.rangeCheck(ArrayList.java:604) [rt.jar:1.7.0_03]
at java.util.ArrayList.get(ArrayList.java:382) [rt.jar:1.7.0_03]
at org.teiid.query.processor.relational.MergeJoinStrategy.compareTuples(MergeJoinStrategy.java:313) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.query.processor.relational.GroupingNode.sameGroup(GroupingNode.java:436) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.query.processor.relational.GroupingNode.groupPhase(GroupingNode.java:396) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.query.processor.relational.GroupingNode.nextBatchDirect(GroupingNode.java:326) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:278) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.query.processor.relational.ProjectNode.nextBatchDirect(ProjectNode.java:146) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:278) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.query.processor.relational.RelationalPlan.nextBatch(RelationalPlan.java:149) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.query.processor.QueryProcessor.nextBatchDirect(QueryProcessor.java:149) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.query.processor.QueryProcessor.nextBatch(QueryProcessor.java:112) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:157) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:139) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.dqp.internal.process.RequestWorkItem.processMore(RequestWorkItem.java:435) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:320) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:51) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:248) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:269) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:214) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [rt.jar:1.7.0_03]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [rt.jar:1.7.0_03]
at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_03]